https://community.hpe.com/t5/operating-system-hp-ux/fail-the-alternate-boot-disk/m-p/4755316#M388607 Hi All!<BR /><BR />I have completed root mirroring and looks ok .Both the primary and alternate disk works fine.<BR /><BR />But for some testing reason i want to make alternate disk to look failed state and alternate mirror should show stale extents.<BR /><BR />How can we make this without touching the server and removing the disk..<BR /> Sun, 20 Feb 2011 04:25:01 GMT Ganesh Balraman 2011-02-20T04:25:01Z https://community.hpe.com/t5/operating-system-hp-ux/fail-the-alternate-boot-disk/m-p/4755316#M388607 Hi All!<BR /><BR />I have completed root mirroring and looks ok .Both the primary and alternate disk works fine.<BR /><BR />But for some testing reason i want to make alternate disk to look failed state and alternate mirror should show stale extents.<BR /><BR />How can we make this without touching the server and removing the disk..<BR /> Sun, 20 Feb 2011 04:25:01 GMT https://community.hpe.com/t5/operating-system-hp-ux/fail-the-alternate-boot-disk/m-p/4755316#M388607 Ganesh Balraman 2011-02-20T04:25:01Z https://community.hpe.com/t5/operating-system-hp-ux/fail-the-alternate-boot-disk/m-p/4755317#M388608 I pvchange -a N /dev/dsk/alternate disk will detach the all the paths of alternate disk from lvm.<BR /><BR /> -n Detach only the indicated path to<BR /> the physical volume. A detached<BR /> path is not available for LVM to use.<BR /> Sun, 20 Feb 2011 05:44:43 GMT https://community.hpe.com/t5/operating-system-hp-ux/fail-the-alternate-boot-disk/m-p/4755317#M388608 nijokj 2011-02-20T05:44:43Z